Issue 8, 2011
From the journal:

CrystEngComm

Nuclearity growth towards Ni(ii) cubane in self-assembly with 2-hydroxymethyl pyridine (hmpH) and 5-ethoxycarbonyl-2-hydroxymethyl pyridine (5-ehmpH)†‡

Wen-Hua Zhang,a   Norlela Binte Sulaiman,a   P. X. Shaun Tioa  and  T. S. Andy Hor*ab  

* Corresponding authors

a Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore
E-mail: andyhor@nus.edu.sg

b Institute of Materials Research and Engineering, Agency for Science, Technology and Research, 3 Research Link, Singapore

Abstract

Self-assembly of NiX2 (X = Br or OAc) with 2-hydroxymethyl pyridine (hmpH) and 5-ethoxycarbonyl-2-hydroxymethyl pyridine (5-ehmpH) results in six new Ni(II) complexes viz.[Ni(hmpH)2(H2O)2]Br2 (1), [Ni4(hmp)4(µ-OAc)4] (2), [Ni2(µ-Br)2(5-ehmpH)4]Br2·0.33MeCN·0.67H2O (3), [Ni(5-ehmpH)3]Br2·0.33MeOH (4), [Ni4(5-ehmp)4(H2O)4Br4] (5) and [Ni4(5-ehmp)4(µ-OAc)2(OAc)2(H2O)2] (6), all of which have different chemical compositions and structures. Complexes 2, 5 and 6, however, share a common cubane [Ni4O4] core in which the deprotonated alkoxypyridine serves as a bridge-chelate. The others (viz.1, 3, 4) are mono- or dinuclear with the alkoxypyridine remaining in its native acid form.

Graphical abstract: Nuclearity growth towards Ni(ii) cubane in self-assembly with 2-hydroxymethyl pyridine (hmpH) and 5-ethoxycarbonyl-2-hydroxymethyl pyridine (5-ehmpH)

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Article information

DOI
https://doi.org/10.1039/C0CE00831A
Article type
Paper
Submitted
09 Nov 2010
Accepted
21 Jan 2011
First published
25 Feb 2011

CrystEngComm, 2011,13, 2915-2922

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Nuclearity growth towards Ni(II) cubane in self-assembly with 2-hydroxymethyl pyridine (hmpH) and 5-ethoxycarbonyl-2-hydroxymethyl pyridine (5-ehmpH)

W. Zhang, N. B. Sulaiman, P. X. S. Tio and T. S. A. Hor, CrystEngComm, 2011, 13, 2915 DOI: 10.1039/C0CE00831A

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